Top 10 Python Interview Questions and Answers for Programmers


by Sayantani Sanyal

October 15, 2021

No matter how many programming languages ​​a programmer learns, Python will remain one of the most commonly used and popular programming languages ​​in the industry. It is a hot choice for beginners and experienced programmers. Setting up a career as a programmer seems like a popular course of action today, but interviews for Python can be daunting. This article brings you the top 10 Python interview questions and answers that have recently become the most popular among recruitment experts in the industry.

What are the benefits of Python?

Rep. Python is a programming language with objects, modules, threads, and automatic memory management. Its benefits are well known. It is simple and easy to use, portable, extendable, integrated structure, and also it is open-source. Also found here the most common web developer interview questions.

What is pickling and pickling?

Rep. The pickle pattern accepts any Python object and converts it to a string representation, then dumps it to a file using the dump function. While the process of retrieving the original Python objects from the stored string representation is called unpickling.

How is Python interpreted?

Rep. Python is an interpreted language. The program runs directly from source code. It directly converts the source code written by the programmer into an intermediate language, which is again translated into machine language to be executed.

What are pandas?

Rep. It is an open-source Python library that has a highly developed set of data structures for data-driven operations. Its unique features adapt to any role in data mining, from academic problems to complex business problems. Pandas can handle many varieties of files and is one of the most important tools to master.

How is memory managed in Python?

Rep. Python memory is managed by its private heap space. It is inaccessible to the programmer and the interpreter takes care of this private Python heap space. The allocation is done by the Python memory manager. The base API provides access to some tools for the programmer’s code. It also has a built-in garbage collector, which recycles all unused memory and frees it to free up space.

What are the standard data types supported in Python?

Rep. Standard data types supported in Python include lists, numbers, strings, dictionaries, and tuples.

What is your understanding of Python?

Rep. Python is a very complete, interactive and object-oriented scripting language. It is specifically designed with the aim of making the content highly readable by internet users. It uses various keywords in different languages ​​other than punctuations. It also has lesser syntactic constructions like in other languages.

What is lambda function in Python?

Lambda is an anonymous function in Python that can accept any number of arguments and can have any number of parameters. However, it can only have one statement or expression. Typically it is used in situations that require anonymous function for a short period of time.

How are identity operators different from membership operators?

Rep. Unlike membership operators, identity operators compare values ​​to find out if they have the same value or not.

What is meant by namespace?

Rep. A namespace refers to a naming system used to ensure that all object names in a Python program are unique, to avoid complexity. These namespaces are implemented as dictionaries with ‘name as key’ mapped to a corresponding value of the object.

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